20916644

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{39317}}^1$

素因数の和:39347

約数の個数: 24

約数和(自身を含む): 44036160

約数和(自身を除く): 23119516

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 39317, 78634, 157268, 275219, 550438, 747023, 1100876, 1494046, 2988092, 5229161, 10458322, 20916644]

約数ペア:

[(1, 20916644), (2, 10458322), (4, 5229161), (7, 2988092), (14, 1494046), (19, 1100876), (28, 747023), (38, 550438), (76, 275219), (133, 157268), (266, 78634), (532, 39317)]